What to know

• Of 539 cases reviewed by an NHS trust so far, 59 have resulted in moderate harm, 19 in severe harm and one patient has died.S1
• Hundreds of patients are reported to have come to harm during treatment in the breast unit at the County Durham and Darlington Foundation Trust, following an investigationS2
• Of 514 cases reviewed by a trust so far, 315 patients have been found to have suffered harm, including 77 who suffered significant harm.S3